I haven’t seen last night’s BBC4 docco on mid-70s British popsters the Real Thing yet, but there can’t be many songs that celebrate them. Here’s one, from Vincent Harkin’s One More Great Adventure, in a gig I put on *just* before the apocalypse, on March 13th. The song is ‘Heatwave’, a memoir of the summer of ’76, and it starts around 14:40…